幼虫的

Its main food are Brachyura,Caridae and fishes.

其主要食物为蟹类、虾类和鱼类，次要食物为摇蚊科、蜉蝣目和蜻蜓目等的幼虫。

However, most North American maize varieties have lost the ability to emit-β-caryophyllene and may therefore receive little protection from the nematodes.

这组科学家把这种转基因玉米种在了不释放这种化学物质的玉米旁边，然后向这些作物投入了大批甲虫幼虫。

Acaribs and thrips are regarded as low-risk quarantining pests. Pests of Anastrepha spp. and Ceratitis capitat lay eggs in pericarp. Larva eats fruit which causes rot and great economic damage.

实蝇类有害生物成虫产卵于果皮的皮下，卵孵化后，幼虫在果实中蛀食，使果实腐烂，失去经济价值，从而给鳄梨生产带来重大损失。

The Chironomus Larva Pollution has become a problem in municipal water system.

城市供水系统中摇蚊幼虫污染已经成为不可忽视的问题。

C Chlorinate ornamental fountain or populate fountain with larvivorous fish.

使用氯化泉水方法或者饲养以幼虫为食物的鱼。

Spawn, larva, chrysalides and imago can grow up naturally, so the natural growth of neocheting eichhorniae would not be affected by high altitude in Kunming.

象甲在昆明地区一年发生2~3代，卵，幼虫，蛹和成虫均可正常生长发育，高海拔并不影响象甲的自然生长。

The larvae should be fed Isochrysis zhanjianggensis (5.0×l0^4 cells/mL), supplemented with Nitzschia closterium (3.0×10^4 cells/mL), and Chlorella sp.(10.0×10^4 cells/mL).

4幼虫培育期间的饵料以湛江等边金藻为主（5.0万个／mL）并辅以新月菱形藻（3.0万个／mL）、扁藻（0.4万个／mL）、小球藻（10.0万个／mL）。

Result］ The sampled identification showed that, a total of 1 462 soil animals were collected from 4 greenbelts, belonging to 14 orders, 8 classes and 2 phyla. The dominant groups were Aconite, Collembola and Hymenoptera, while Tubificidae, Arenas, Isopoda, Diplura, Coleoptera larvae were the ordinary groups and others were rear groups. The composition of soil animals in the 4 kinds of greenbelt habitats was extremely similar.

结果］ 通过取样鉴定，在4种绿地中共采获到土壤动物1 462只，隶属2门8纲14目，其中优势类群为蜱螨目、弹尾目和膜翅目，常见类群为颤蚓目、蜘蛛目、双尾目和鞘翅目幼虫，其余类群为稀有类群。4种绿地类型的土壤动物种类组成极为相似。

To study the effects of the integrated pest control techniques on growth of host larvae of Cordyceps sinensis.

中文摘要：目的：研究病虫害综合防治技术对冬虫夏草寄主幼虫生长发育的影响。

Newly hatched larvae known as nauplii Daphnia morphology similar to that after four times after the camp molt parasitic life.

刚孵化的幼虫称为无节幼体，形态与水蚤相似，经过4次蜕皮后开始营寄生生活。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。